<template>
  <div class="app-container">
    <!-- header顶部区域 -->
    <mt-header fixed title="固定在顶部">
      <span slot="left" @click="goBack" v-show="flag" >
        <mt-button icon="back">返回</mt-button>
      </span>
    </mt-header>

    <!-- 中间路由区域 -->
    <transition>
      <router-view></router-view>
    </transition>

    <!-- tabbar底部区域 -->
    <nav class="mui-bar mui-bar-tab">
      <router-link class="mui-tab-item1" to="/home">
        <span class="mui-icon mui-icon-home"></span>
        <span class="mui-tab-label">首页</span>
      </router-link>
      <router-link class="mui-tab-item1" to="/member">
        <span class="mui-icon mui-icon-contact"></span>
        <span class="mui-tab-label">会员</span>
      </router-link>
      <router-link class="mui-tab-item1" to="/shopcar">
        <span class="mui-icon mui-icon-extra mui-icon-extra-cart">
          <span class="mui-badge" id="badeg">
            {{$store.getters.getAllCount}}
          </span>
        </span>
        <span class="mui-tab-label">购物车</span>
      </router-link>
      <router-link class="mui-tab-item1" to="/search">
        <span class="mui-icon mui-icon-search"></span>
        <span class="mui-tab-label">搜索</span>
      </router-link>
    </nav>
  </div>
</template>

<script>
  export default {
    data() {
      return {
        flag:false
      }
    },
    created(){
      if(this.$route.path == '/home'){
        this.flag = false
      }else{
        this.flag = true
      }
    },
    methods:{
      // 点击后退
      goBack(){
        this.$router.go(-1);
      }
    },
    watch:{
      '$route.path':function(newVal){
        if(newVal == '/home'){
          this.flag = false
        }else{
          this.flag = true
        }
      }
    }
  }
</script>

<style lang="scss" scoped>
  .v-enter {
    opacity: 0;
    transform: translateX(100%);
  }

  .v-leave-to {
    opacity: 0;
    transform: translateX(-100%);
    position: absolute;
  }

  .v-enter-active,
  .v-leave-active {
    transition: all .5s ease;
  }

  .mint-header {
    z-index: 99 !important;
  }

  .app-container {
    padding-top: 40px;
    overflow-x: hidden;
    padding-bottom: 50px;

    .mui-bar-tab .mui-tab-item1 .mui-active {
      color: #007aff;
    }

    .mui-bar-tab .mui-tab-item1 {
      display: table-cell;
      overflow: hidden;
      width: 1%;
      height: 50px;
      text-align: center;
      vertical-align: middle;
      white-space: nowrap;
      text-overflow: ellipsis;
      color: #929292;
    }

    .mui-bar-tab .mui-tab-item1 .mui-icon {
      top: 3px;
      width: 24px;
      height: 24px;
      padding-top: 0;
      padding-bottom: 0;
    }

    .mui-bar-tab .mui-tab-item1 .mui-icon~.mui-tab-label {
      font-size: 11px;
      display: block;
      overflow: hidden;
      text-overflow: ellipsis;
    }
  }

  /*  */
</style>